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CVE-2021-3947

Date: February 18, 2022

A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.

Severity Score

Related Resources (9)

https://security.gentoo.org/glsa/202208-27
https://access.redhat.com/security/cve/CVE-2021-3947
https://nvd.nist.gov/vuln/detail/CVE-2021-3947
https://security-tracker.debian.org/tracker/CVE-2021-3947
https://security.netapp.com/advisory/ntap-20220318-0003/
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3947
https://security.alpinelinux.org/vuln/CVE-2021-3947
https://bugzilla.redhat.com/show_bug.cgi?id=2021869
https://www.mend.io/vulnerability-database/CVE-2021-3947

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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